Do icons, index and symbols help the audience interprets the art?

Whereas traditional stock agencies showcase the work of professional photographers, anyone can submit to microstock agencies, provided images meet the criteria that the microstock agency has set up. true or false?

Why do artist use texture? (site 1) !

Arestaurant with food revenue of $500,000 and a cost of food of $100,000 has a food cost ratio of 0.2. true false